prismoid prismed • prismoidal · · · Info · Definitions · Characters · · prismoid · · Text Latin · · Script 8 · · Length 2 · · Syllables Definitions · · · (noun) a prismatoid whose bases are polygons having the same number of sides and whose other faces are trapezoids or parallelograms. · · Noun Definition 1 Characters · · d latin small letter d U+0064 i latin small letter i U+0069 m latin small letter m U+006D o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073